#include <iostream>
using namespace std;

int main(){
    int score = 0;
    cout << "请输入您的分数" << endl;
    cin >> score;
    if(score > 600){
        cout << "考上1本" << endl;
    }else if(score > 500){
        cout << "考上2本" << endl;

    }else if(score > 400) {
        cout << "考上3本" << endl;

    }else{
        cout << "退学" << endl;

    }
    return 0;
}